Danny Welbeck's 77th-minute strike saw Arsenal make it 11 wins in a row and move three points clear at the top of their Europa League group.

The first half featured little in the way of attacking action, Nani coming close with a long range effort while Sokratis Papastathopoulos was lucky to stay on the pitch after hauling down Fredy Montero as he moved through on goal.

Arsenal boss Unai Emery looks on from the touchline during his side's 11th straight win

19:49

90+5min: Coates should be sent off after squaring up to Lichtsteiner and headbutting him following a weak penalty appeal from the former, while Sporting continue to lose their heads as Battaglia is booked for dissent in a separate incident.

19:45

90+3min: Some defending for Arsenal in stoppage time as Sporting win a corner...

Hope for AC Milan as with seven minutes left Patrick Cutrone pulls a goal back to make it 2-1 to Real Betis.

19:40

Arsenal substitution

86min: Final change for Arsenal with Aubameyang, who has looked off colour tonight, being replaced by Alex Iwobi.

19:38

84min: All looking rather comfortable for Arsenal now. Sporting Lisbon have been very poor in this period - in fact they have not had a shot on target all match. They does not look like changing anytime soon.

Welbeck of Arsenal celebrates opening the scoring in the Europa League game

19:35

Arsenal substitution

81min: An 11th win in a row is in sight now for Arsenal who now send on Alexandre Lacazette for Welbeck.

19:31

GOAL! Sporting Lisbon 0-1 ARSENAL

78min: It's been coming but I didn't think it would be like this. Coates make a mess of an interception and it allows Danny Welbeck to pick up the ball, run in on goal and slot across the target into the bottom corner.

75min: Celtic's night continues to get worse. Now Jozo Simunovic has to be taken off on a stretcher as he is replaced with Jack Hendry. Scott Sinclair has also replaced Lewis Morgan for the visitors trailing 2-0 in Leipzig.

The home side just cannot get the ball at the moment let alone get out their own half. There is a form of respite though, as Ribeiro appears to have picked up a knock while trying to prevent another Arsenal corner.

19:25

Sporting Lisbon substitution

71min: Sporting are struggling now. Arsenal are constantly attacking and they win a free-kick 25 out after Sebastian Coates is booked for chopping down AUbameyang.

The hosts make a second change as Jovane Cabral replaces Nemanja Gudelj.

19:22

68min: Arsenal have the ball in the net as Danny Welbeck heads home well from a cross, but he is adjudged to have fouled Gaspar in doing so with a slight push. I'm not convinced as Arsenal up the pressure.

Renan Ribeiro of Sporting saves under pressure from Pierre-Emerick Aubameyang of Arsenal

19:21

67min: It's threatening to open up in Lisbon, with both sides looking to counter each other, but in Leipzig it's nearly all over as Craig Gordon makes a stunning stop to push Jean-Kevin Augustin's shot onto the post and stop Celtic falling 3-0 behind.

19:19

64min: Arsenal have been the better team in this second half but still no sign of a goal coming. In the absence of one in Lisbon, here's one in this group's other game - a little bit sloppy from the keeper I think we can admit...

58min: First change for the Arsenal as Lucas Torreira comes on to replace Mohamed Elneny, with the Gunners starting to get on top.

19:11

56min: Another Arsenal chance. Mateo Guendouzi cuts the ball back for Danny Welbeck, whose goalbound effort is crucially blocked behind by Andre Pinto. From the corner, Granit Xhaka boots the ball out of play for a throw in. That's just about the worst corner I have seen in a very long time.

19:09

55min: Penalty shout for Sporting? Rob Holding appears to handle the ball twice following a free-kick lofted into the box falling onto his arm, but the key question is was either deliberate?

I'm not so certain and with the element of doubt the call for play on seems to be the correct one.

19:06

52min: Now Henrikh Mkhitaryan is in the book after a trip on Rodrigo Battaglia to prevent a Sporting counter.

Nani of Sporting Lisbon attempts to take on Stephan Lichtsteiner of Arsenal

19:04

50min: Big chance for Aubameyang and he has blown it! The striker does well to get behind the Sporting defenders but after evading them in the box his attempt at a lofted finish over the keeper sees Ribeiro push the ball behind again.

Arsenal's Rob Holding is shown a yellow card by referee Damir Skomina

19:02

49min: Better from Arsenal. Henrikh Mkhitaryan plays a forward pass for Pierre-Emerick Aubameyang to run onto inside the box but from an unfavourable angle his shot towards goal is beaten behind by Renan Ribeiro.

19:01

47min: Perhaps sensing how badly he got it wrong in the first half with Sokratis's shirt pull, the referee books Rob Holding seconds into the second period for a rather innocuous raised forearm on Fredy Montero.

18:58

SECOND HALF: Lisbon of course make a change

Stefan Ristovski has made way for Bruno Gaspar after the his first half injury as Sporting get us going again.

Celtic have sent on Mikael Lustig for Cristian Gamboa.

18:57

Meanwhile it's rather predictably not going well for Celtic in Germany

Hardly anything to talk about in terms of chances but there has been a key moment with Sokratis's shirt pull on Fredy Montero. Should he have been sent off? Booked? Or was it just a free-kick worthy punishment?

18:43

HALF-TIME: Sporting Lisbon 0-0 Arsenal

Sokratis protests his innocence to Nani during a goalless first half in Lisbon

18:42

44min: Problems for Sporting. Stefan Ristovski has knackered his hamstring after pulling up in pain - no coming back from those, not in one night at least. He limps off with Sporting choosing to end the half with 10 men.

18:39

41min: We need half-time here, just as a form of reset for this game which really has not got going. Here's a clearer picture of Sokratis's shirt pull if you needed clearer proof.

18:37

38min: We do finally have our first yellow card. It looks incredibly harsh at first with Acuna slipping over before challenging Stephan Lichtsteiner, then you spot his rather needlessly raised foot while down on the ground. No need for that, pal.

18:35

GOAL! RB LEIPZIG 2-0 Celtic

Brendan Rodgers is cutting a stone cold stare down on the touchline and no wonder. His Celtic side are now 2-0 down, and going nowhere quite frankly, as Bruma doubles the home side's lead.

18:34

32min: Big moment here. Moments after Nani fires over the bar, Arsenal are fortunate to not have Sokratis sent off... at least going on the precedent for what Hugo Lloris saw red for yesterday in Tottenham's draw at PSV.

Sokratis misses a header but in a sprint for the loose ball behind with Fredy Montero he clearly pulls his shirt to bring him down. It should be a yellow card at the very least - arguably a red depending on if you think it denied a goal scoring opportunity (more open to a debate).

Incredibly it is not even a free-kick. Sporting fans are furious.

Sokratis avoided a card after pulling down Fredy Montero by pulling his shirt

18:30

Elsewhere across Europe...

Nothing happening in Lisbon so let's go to the San Siro where there has been a goal...

..for Real Betis! Toni Sanabria tapping home after Pepe Reina made a howler from a low cross.

RB Leipzig also lead against Celtic with Matheus Cunha on target.

18:21

26min: It's not just this game struggling for goals. It seems the whole of Europe is. Just the one so far with Ludogorets leading in Larkana. Box office.

The Arsenal substitutes look on from the bench at the Estadio Jose Alvalade

18:20

24min: Henrikh Mkhitaryan fires the free-kick powerfully towards goal but it is straight at Renan Ribeiro who punches away.

18:19

22min: Free-kick to Arsenal literally on the corner of the box after Sebastian Coates's trip on Mohamed Elneny. Chance for the Gunners here...

18:17

19min: The not so Sweet 16s. Rob Holding and his opposite number Rodrigo Battaglia battle for a 50-50 that ends with the Arsenal defender going a little bit over the top with his extended arm into Battaglia's face. No punishment for Holding, who was perhaps a little naughty there.

16min: A rare sprint sees Sporting break on Arsenal but although Bruno Fernandes manages to cut onto his right foot 25 yards out, his curling effort was always going away from the target and over the bar.

18:12

13min: Not much tempo to this game at all. If it is swashbuckling football you want then this does not look like being the ticket in town right now.

Both sides comfortable in possession right now without offering much threat.

18:07

10min: Arsenal perhaps a little cautious in the opening stages. Aaron Ramsey in particular is holding quite a defensive position in the midfield. No real concerns for the Gunners but the handbrake is certainly on at the moment.

18:04

7min: Sporting having a little bit of a go here. Marcos Acuna finds a gap between Henrikh Mkhitaryan and Stephan Lichtsteiner on the flank but his low ball across is blocked as Arsenal clear.

The main focus is on the Gunners this evening but there are a couple of other games we will be keeping an eye on including Celtic's trip to RB Leipzig. Here is how the teams line-up at the Red Bull Arena:

Torreira raises a smile but only features on the bench for the Gunners

16:51

Granit Xhaka left-back for Arsenal?

There are four changes for Arsenal from the team that won 3-0 at Qarabag in their last Europa League game - including a switch to four at the back.

Granit Xhaka comes in at left-back, having played there in the win over Leicester City on Monday, while there are also places in the side for Aaron Ramsey, Henrikh Mkhitaryan and Pierre-Emerick Aubameyang as Nacho Monreal, Sead Kolasinac, Alex Iwobi and Emile Smith-Rowe make way.

Arsenal will be targeting an 11th straight victory when they travel to Sporting Lisbon as they reach the halfway point of the Europa League group stage.

The Gunners have been in devastating form in front of goal and Pierre-Emerick Aubameyang is expected to start as they look to maintain their 100 per cent record in Europe and all but book a place in the round-of-32 with another win.

Celtic are also in action as they visit RB Leipzig while AC Milan host Real Betis across the night's other 5.55pm matches. Follow all the action as it happens with DAN RIPLEY.

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